Spring attachment for straps.



No. 741,232. PATENTED OCT. 13 1903.

W. J. DAVIDSON. SPRING ATTACHMENT EORASTRAPS. APPLICIATION FILE D DEC. 18, 1901.

N0 MODEL.

5 n 0011 lioz Rh h leases UNITED STATES Patented October 13, 1903.

PATENT OFFICE.

WILLIAM J DAVIDSON, OF HAGERSTO WN, MARYLAND, ASSIGNOR OF ONE- HALF TO SAMUEL A GATES, OF GAPLAND, MARYLAND.

SPRING ATTACHMENT FOR STRAPS.

SPECIFICATION forming part Of Letters Patent NO. 741,232, dated October 13, 1903.

Application filed December 18, 1901- Serial No. 86,482. (No modeL) To all whom it may concern:

Be it known that I, WILLIAM J. DAVIDSON, a citizen of the United States, residing at Hagerstowmin the county of lzVashington and State of Maryland, have invented certain new and useful Improvements in Spring Attachments for Straps, of which the following is a specification.

My invention relates to spring attachments for straps-such, for instance, as checkreins or driving-reins or traces-where it is desirable to permit a certain amount of yielding of the strap or rein under excessive tension; and my invention consists in an attachment composed of two draw-bars with overlapping ends and an intermediate spring and the combination therewith of a strap, as fully set forth hereinafter and as illustrated in the accompanying drawings, in which Figure 1 illustrates in perspective my invention in connection with the strap attachment of a checkrein. Fig. 2 is a side view, and Fig. 3 an inner face view, thereof.

The strap A, as shown, is part of a checkrein attachment, being constructed at one end for ready connection with and detachment from the hook B of the saddle, and at separated points on the strap are connected two draw-bars G D of-any suitable construction, but which, as shown, consist each of a wire loop with hooked ends, the closed end of the loop engaging a stud or rivet a, extending through the strap and preferably through overlying portions thereof, between which the loop is thus riveted, and the hooked ends of the two draw bars overlap each other, as shown, so as to receive between them a coiled spring E. Norm ally the parts are so arranged that the coiled spring bearing upon the hooked ends of the opposite loops draws them together and buckles the strap, forming an arched por tion, and when there is sufficient draft upon 7 the strap the latter is more or less flattened against the resisting-spring, which is compressed as the hooked ends of the hooks are drawn toward each other.

It will be seen that as thus constructed the ends of the draw-bars are directly connected to and there is no cutting of the strap-that is, the draw-bars and spring may be placed in the line of the strap in any desired position, the strap serving to protect and conceal the spring and draw-bars.

While I have described the draw-bars as being made of loops of wire, which is preferable in consequence of its cheapness and strength, it will be evident that they may be made in any other suitable manner, and they may also be connected with the strap in any suitable manner other than that shown.

Without limiting myself to the precise construction and arrangement of parts shown, I claim as my invention The combination with a strap having overlying portions at separated points, of a pair 6 5 of draw-bars each consisting of a loop of wire with hooked ends, each draw-bar having its looped end inserted between the strap and an overlying part, and the said draw-bars V overlapping each other, rivets extending through the strap, the overlying parts and the looped ends of the draw-bars, and a coiled spring surrounding the overlapped portions of the draw-bar and abutting against the hooked ends thereof, said spring tending normally to draw the looped ends of the draw bars toward each other to buckle the strap between the overlying parts, substantially as set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

XV. J. DAVIDSON.

Witnesses:

J. J. MCCARTHY, NV. CLARENCE DUVALL. 

